One may be tempted to say “I have not even finished taking care of my teeth and you are talking about toothbrush; please, spare me that!”
It is okay but don’t forget that unless the tooth brush is in good condition, your mouth will be in danger
You might not have thought about keeping your toothbrush as much as we would discuss here, since you’re wetting it every day to scrub your teeth. Relax, learning few more things won’t hurt.
You may not realise what is hanging out on the bristles of your toothbrush as you reach for it each morning.
Toothbrushes can become contaminated with oral microorganisms whenever they are left out without proper care and this can often be injurious to one’s health
Ways to keep your toothbrushes safe for use are as follows:
1. AVOID STORAGE IN A CLOSED CONTAINER AT HOME.
Moisture levels in a closed container are high and this creates an enabling environment for the growth of bacteria. However, when you travel, it should be kept in a container to prevent it from picking up any contaminants. Make sure it is dry before packing it in the casing.

Read more

http://dentalchannel.com.ng/2017/05/08/six-ways-to-keep-your-toothbrush-safe/